Abstract: A composition for preparing an organic insulator, the composition comprising (i) at least one organic-inorganic hybrid material; (ii) at least one organometallic compound and/or organic polymer; and (iii) at least one solvent for dissolving the above two components, so that an organic insulator using the same has a low threshold voltage and driving voltage, and high charge carrier mobility and Ion/Ioff ratio, thereby enhancing insulator characteristics. Further, the preparation of organic insulating film can be carried out by wet process, so that simplification of the process and cut of cost are achieved.

Abstract: A metal organic precursor, including a metal-chelate complex including a chelate including a Groups 3 to 12 metal ion, a chelating ligand, and an anion bound to the chelate, wherein the chelating ligand forms a reducing compound and a volatile material at a temperature of about 160° C. or lower, the anion forms a reducing compound and a volatile material at a temperature of about 180° C. or lower, and the metal-chelate complex is represented by Formula I: [L1-Me]pn+[A]qm???(I) wherein Me is the Groups 3 to 12 metal ion, L1 is the chelating ligand, A is the anion, n, m, p, and q are independently integers of 1 or more, n is the sum of a charge quantity of L1 and a charge quantity of Me, m is a charge quantity of A, and (n×p)=(m×q).

Abstract: An organometallic composition containing an organometallic compound (I) containing Ag, an organometallic compound (II) containing Au, Pd, or Ru, and an organometallic compound (III) containing Ti, Ta, Cr, Mo, Ru, Ni, Pd, Cu, Au, or Al, wherein the metal components of organometallic compounds (II) and (III), respectively, are present in an amount of 0.01˜10 mol % based on the amount of Ag in the organometallic compound (I), and a method of forming a metal alloy pattern using the same. Silver alloy patterns can be obtained through a simplified manufacturing process, which patterns have enhanced heat resistance, adhesiveness, and chemical stability. The method may be applied to making a reflective film for LCD and metal wiring (gate, source, drain electrode) for flexible displays or flat panel displays, and further to CMP-free damascene processing and PR-free ITO film deposition.

Abstract: Disclosed is a metal pattern composition including a conductive metal or a conductive metal precursor compound, and a carboxylic acid-amine base ion pair salt.

Abstract: An organic light-emitting device including a first electrode, a second electrode, and an organic layer interposed between the first electrode and the second electrode. The organic layer includes at least one organosiloxane compound selected from organosiloxane compounds represented by An organic light-emitting device using the organosiloxane compound has a low operating voltage, high color purity, and high efficiency.

Abstract: An organometallic composition containing an organometallic compound (I) containing Ag, an organometallic compound (II) containing Au, Pd, or Ru, and an organometallic compound (III) containing Ti, Ta, Cr, Mo, Ru, Ni, Pd, Cu, Au, or Al, wherein the metal components of organometallic compounds (II) and (III), respectively, are present in an amount of 0.01˜10 mol % based on the amount of Ag in the organometallic compound (I), and a method of forming a metal alloy pattern using the same. Silver alloy patterns can be obtained through a simplified manufacturing process, which patterns have enhanced heat resistance, adhesiveness and chemical stability. The method may be applied to making a reflective film for LCD and metal wiring (gate, source, drain electrode) for flexible displays or flat panel displays, and further to CMP-free damascene processing and PR-free ITO film deposition.

Abstract: An aminostyryl compound represented by Formula 1: The organic light emitting device using the aminostyryl compound exhibits low driving voltage and improved brightness, efficiency, and color purity.

Abstract: A dimethylenecyclohexane compound represented by formula 1, a method of preparing the same, and an organic light emitting device using the dimethylenecyclohexane are provided. The dimethylenecyclohexane compound can improve the driving voltage, efficiency and color purity of the organic light emitting device.

Abstract: Provided herein are fluorene-based compounds including a fluorene or a spirofluorene structure at both terminals and a spacer including one or more atoms between the both terminals. The invention further provides an organo-electroluminescent device having an organic layer in which the fluorene-based compound is introduced. The fluorene-based compound can be readily manufactured using dry and wet processes, and the organo-electroluminescent device using the same has excellent properties in color purity, internal and external efficiency, and thermal, optical and electric stability.

Abstract: A method of fabricating a thin film transistor, in which source and drain electrodes are formed through a solution process, even all stages which include formation of electrodes on a substrate, formation of an insulator layer, and formation of an organic semiconductor layer are conducted through the solution process. In the method, the fabrication is simplified and a fabrication cost is reduced. It is possible to apply the organic thin film transistor to integrated circuits requiring high speed switching because of high charge mobility.

Abstract: Silyl-substituted cyclometalated transition metal complexes have good thermal stability and enabling highly efficient phospholuminescence and an organic electroluminescent device may use the Silyl-substituted cyclometalated transition metal complexes. The transition metal complexes, which are suitably used for forming an organic layer of the organic electroluminescent device, can emit light in the wavelength range of 400-650 nm, and induce white electroluminescence when combined with green or red luminescent materials.

Abstract: Disclosed is a polymeric surfactant for high dielectric polymer composites, a method of preparing the same, and a high dielectric polymer composite including the same. The polymeric surfactant for high dielectric polymer composites, which includes a head portion having high affinity for a conductive material and a tail portion having high affinity for a polymer resin, forms a passivation layer surrounding the conductive material in the high dielectric polymer composite including the polymeric surfactant, thus ensuring and controlling a high dielectric constant.

Abstract: Provided are an anthracene derivative compound represented by Formula 1 below and an organic light-emitting device using the same: wherein Ar1 and Ar2 are each independently aromatic groups, R1 and R2 are each independently substituent groups, and X is a heteroatom or substituted heteroatom. The use of the anthracene derivative compound enables to produce an organic light-emitting device with better driving voltage, brightness, efficiency, and color purity.

Abstract: Provided are a highly efficient phosphorescent organometallic complex and an organic electroluminescent (EL) device using the same. The organometallic complex can be used in the formation of an organic layer of the organic EL device, and can emit light in a red wavelength range as a highly efficient phosphorescent material. The organic EL device using the organometallic complex can exhibit high brightness and a low driving voltage.

Abstract: Provided are an organometallic precursor, wherein a carboxyhydrazide compound is coordinated to a central metal, and a metal film or pattern using the precursor. By using the organometallic precursor, highly pure metal films or patterns can be obtained through a simple low-temperature process.

Abstract: A cyclometalated transition metal complex emitting phosphorescence of high efficiency and an organic electroluminescent display device employing the same are provided. The cyclometalated transition metal complex is represented by Formula I: {[C ^N]mM[P(R1R2)][LR3R4]n}z ??(I). The cyclometalated transition metal complex can be employed in an organic film of an organic electroluminescent display device, can emit light at a wavelength range of 400 nm to 650 nm, and can emit white light as well when used with a green light emitting material and a red light emitting material.

Abstract: A cyclometalated transition metal complex exhibiting phosphorescence with high efficiency and an organic electroluminescent display device using the same are provided. This transition metal complex can be used in forming an organic film of an organic electroluminescent display device. The transition metal complex can emit light at the wavelength range of 400 to 650 nm. Further, the complex can emit white light by using a green light emitting material or a red light emitting material together.

Abstract: A polymer composite having a high dielectric constant is disclosed herein. The polymer composite includes a conductive material impregnated with oxidizable metal nanoparticles or metal oxide nanoparticles to decrease dielectric loss, and an anion surfactant containing an acidic functional group to form a passivation layer that surrounds the conductive material, resulting in increased dielectric constant.

Abstract: A high-efficient phosphorescent cyclometalated transition metal complex represented by the formula M(C^N)( C^N)?(CN-R)X, and an organic electroluminescent (EL) device using the same. The transition metal complex can be used in formation of an organic layer of the organic EL device and produce white light emission when used together with a green-emitting material and a red-emitting material as well as emission at the wavelength range of 400-650 nm.

Abstract: A cyclometalated transition metal complex emitting phosphorescence of high efficiency and an organic electroluminescent display device employing the same are provided. The cyclometalated transition metal complex has a transition metal atom and a phosphorus ligand having at least one alkylene oxide and a phosphorus atom. The phosphorus atom is bound to the transition metal atom. The cyclometalated transition metal complex can be employed when forming an organic film of an organic electroluminescent display device, can emit light at a wavelength range of 400 nm to 650 nm, and can emit white light as well when used with a green light emitting material and a red light emitting material.